What is TommaTech Uno Atom 2.5 kW Single-Phase Inverter?
TommaTech Uno Atom 2.5 kW Single-Phase Inverter is a 2.5 kVA single-phase inverter sized for the needs of small grid-connected systems. Thanks to its single MPPT input, natural cooling and small 267 × 328 × 116 mm housing, it fits easily into tight technical spaces; it is positioned as one of the mid-power steps of the family.
At this power level the upper limit for the PV array is 3750 Wp, which is about 1.5 times the nominal AC power and lets the inverter use its rated power for longer as irradiance changes through the day. The maximum input current is 14A, and the highest AC current at the output is 11.9A.
The low start-up voltage (70 V) and the MPPT lower limit, which goes down to 55 V, help production start even in the morning and evening hours when irradiance is weak.
Key technical specifications
| Feature | Value |
|---|---|
| Model | Uno-A-2.5 |
| Nominal AC power | 2500 VA |
| Max. PV array power | 3750 Wp |
| MPPT voltage range | 55-530 V |
| Start-up voltage | 70 V |
| Number of MPPTs | 1 |
| Max. AC current | 11.9A |
| Max. efficiency | 98% |
| Protection rating | IP65 |
| Dimensions (W × H × D) | 267 × 328 × 116 mm |
| Weight | 6 kg |
Which projects is it suitable for?
2.5 kVA is the right size for a low-to-medium-consumption apartment or small detached house, small shop or warehouse roof; if you plan to expand later, higher steps in the series can also be chosen.
Use in Antalya and Solar Nexo support
Summer heat and coastal humidity are priority issues for installations in Antalya. The naturally cooled, fanless Atom series reduces the risk of dust and moisture ingress. Solar Nexo designs, installs and commissions this inverter based on your roof data. The datasheet can be downloaded from the document section on the page; our engineering team can help with technical details.
